mirror of
https://github.com/joel16/SDL2.git
synced 2025-01-05 18:22:09 +00:00
79 lines
2.0 KiB
C
79 lines
2.0 KiB
C
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/* Simple program -- figure out what kind of video display we have */
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#include <stdio.h>
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#include <stdlib.h>
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#include "SDL.h"
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int main(int argc, char *argv[])
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{
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const SDL_VideoInfo *info;
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int i;
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SDL_Rect **modes;
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if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) {
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fprintf(stderr,
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"Couldn't initialize SDL: %s\n", SDL_GetError());
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exit(1);
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}
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info = SDL_GetVideoInfo();
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printf(
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"Current display: %d bits-per-pixel\n",info->vfmt->BitsPerPixel);
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if ( info->vfmt->palette == NULL ) {
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printf(" Red Mask = 0x%.8x\n", info->vfmt->Rmask);
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printf(" Green Mask = 0x%.8x\n", info->vfmt->Gmask);
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printf(" Blue Mask = 0x%.8x\n", info->vfmt->Bmask);
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}
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/* Print available fullscreen video modes */
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modes = SDL_ListModes(NULL, SDL_FULLSCREEN);
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if ( modes == (SDL_Rect **)0 ) {
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printf("No available fullscreen video modes\n");
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} else
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if ( modes == (SDL_Rect **)-1 ) {
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printf("No special fullscreen video modes\n");
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} else {
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printf("Fullscreen video modes:\n");
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for ( i=0; modes[i]; ++i ) {
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printf("\t%dx%d\n", modes[i]->w, modes[i]->h);
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}
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}
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if ( info->wm_available ) {
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printf("A window manager is available\n");
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}
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if ( info->hw_available ) {
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printf("Hardware surfaces are available (%dK video memory)\n",
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info->video_mem);
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}
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if ( info->blit_hw ) {
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printf(
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"Copy blits between hardware surfaces are accelerated\n");
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}
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if ( info->blit_hw_CC ) {
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printf(
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"Colorkey blits between hardware surfaces are accelerated\n");
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}
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if ( info->blit_hw_A ) {
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printf(
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"Alpha blits between hardware surfaces are accelerated\n");
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}
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if ( info->blit_sw ) {
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printf(
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"Copy blits from software surfaces to hardware surfaces are accelerated\n");
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}
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if ( info->blit_sw_CC ) {
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printf(
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"Colorkey blits from software surfaces to hardware surfaces are accelerated\n");
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}
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if ( info->blit_sw_A ) {
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printf(
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"Alpha blits from software surfaces to hardware surfaces are accelerated\n");
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}
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if ( info->blit_fill ) {
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printf(
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"Color fills on hardware surfaces are accelerated\n");
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}
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SDL_Quit();
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return(0);
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}
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